Moonjack - Audit Report

Summary

Moonjack is a new Defi token on the Binance Smart Chain with the objective of sending their mascot, a flapjack octopus, to the moon by use of an autonomous yield and liquidity generating protocol.

Overview of the Contract:

• The total supply of the token is set to one quadrillion.
• No mint or burn functions are present; though the circulating supply can be reduced by sending tokens to the 0x..dead address, if desired.
• As of the date of this report, roughly 30% of the token's supply has been sent to the 0xdead address.
• At the time of writing this report, about 20% of the total supply is in liquidity
• 88% of that liquidity is locked in an unverified contract.
• 12% of liquidity is permanently locked in the token contract.
• 5% of the supply is locked with BSCrypt, however, that same 5% is currently unlocked as the locked duration has passed. We recommend that the team relocks these tokens.
• The team holds 5% of the supply unlocked in a team wallet.
• The next largest holder has 2.5% of the total supply.


• Moonjack's code implements and builds upon the fee-redistribution features pioneered by Reflect Finance.
• Users who hold tokens will automatically receive a portion the fees from a transaction tax on each transfer.
• A portion of the fee charged on transactions is stored in the contract and, once a threshold value is met, used to fund PancakeSwap liqudity.
• Liquidity-adds are funded by selling half of the tokens collected as fees, pairing the received BNB with the token, and adding it as liquidity to the BNB pair.
• The LP tokens received from this process will be permanently locked in the contract.


• The owner of the contract can exclude and include users from transfer fees, update the maximum transaction amount, update the fee percentages to any amount at any time.
• Some functions could have been declared external instead of public to save some gas, but as this is already deployed this is merely informational.
• The contract utilizes SafeMath libraries to prevent overflows along with following the BEP20 standard.

Audit Findings Summary

• No security issues were identified in our analysis.
• Further, ensure trust in the team as they have substantial control in the ecosystem. We advise that the team renounces ownership.
• Date: June 2nd, 2021

												
($) = payable function
 # = non-constant function

 +  Context 
    - [Int] _msgSender
    - [Int] _msgData

 + [Int] IERC20 
    - [Ext] totalSupply
    - [Ext] balanceOf
    - [Ext] transfer #
    - [Ext] allowance
    - [Ext] approve #
    - [Ext] transferFrom #

 + [Lib] SafeMath 
    - [Int] add
    - [Int] sub
    - [Int] sub
    - [Int] mul
    - [Int] div
    - [Int] div
    - [Int] mod
    - [Int] mod

 + [Lib] Address 
    - [Int] isContract
    - [Int] sendValue #
    - [Int] functionCall #
    - [Int] functionCall #
    - [Int] functionCallWithValue #
    - [Int] functionCallWithValue #
    - [Prv] _functionCallWithValue #

 +  Ownable (Context)
    - [Int]  #
    - [Pub] owner
    - [Pub] renounceOwnership #
       - modifiers: onlyOwner
    - [Pub] transferOwnership #
       - modifiers: onlyOwner

 + [Int] IUniswapV2Factory 
    - [Ext] createPair #

 + [Int] IUniswapV2Pair 
    - [Ext] sync #

 + [Int] IUniswapV2Router01 
    - [Ext] factory
    - [Ext] WETH
    - [Ext] addLiquidity #
    - [Ext] addLiquidityETH ($)

 + [Int] IUniswapV2Router02 (IUniswapV2Router01)
    - [Ext] removeLiquidityETHSupportingFeeOnTransferTokens #
    - [Ext] swapExactTokensForETHSupportingFeeOnTransferTokens #
    - [Ext] swapExactTokensForTokensSupportingFeeOnTransferTokens #
    - [Ext] swapExactETHForTokensSupportingFeeOnTransferTokens ($)

 +  Moonjack (Context, IERC20, Ownable)
    - [Pub]  #
    - [Pub] name
    - [Pub] symbol
    - [Pub] decimals
    - [Pub] totalSupply
    - [Pub] balanceOf
    - [Pub] transfer #
    - [Pub] allowance
    - [Pub] approve #
    - [Pub] transferFrom #
    - [Pub] increaseAllowance #
    - [Pub] decreaseAllowance #
    - [Pub] isExcluded
    - [Pub] reflectionFromToken
    - [Pub] tokenFromReflection
    - [Ext] excludeAccount #
       - modifiers: onlyOwner
    - [Ext] includeAccount #
       - modifiers: onlyOwner
    - [Prv] _approve #
    - [Prv] _transfer #
    - [Prv] collectFee #
    - [Prv] _getReflectionRate
    - [Prv] swapAndLiquify #
       - modifiers: lockTheSwap
    - [Prv] swapTokensForEth #
    - [Prv] addLiquidity #
    - [Ext] setTaxless #
       - modifiers: onlyOwner
    - [Ext] setSwapAndLiquifyEnabled #
       - modifiers: onlyOwner
    - [Ext] setFeeActive #
       - modifiers: onlyOwner
    - [Ext] setTaxFee #
       - modifiers: onlyOwner
    - [Ext] setLiquidityFee #
       - modifiers: onlyOwner
    - [Ext] setMaxTxAmount #
       - modifiers: onlyOwner
    - [Ext] setMinTokensBeforeSwap #
       - modifiers: onlyOwner
    - [Ext]  ($)


 ($) = payable function
 # = non-constant function
  


							

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